Finding the Fourth Proportional to 222,869.06, 307,557.97 and 120,894.72
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Solution
The fourth proportional to 222,869.06, 307,557.97 and 120,894.72 is: 166,833.99
Step by Step Solution
- Step 1: Write the proportion equation
222,869.06 : 307,557.97 = 120,894.72 : x - Step 2: Convert to fraction form
222,869.06/307,557.97 = 120,894.72/x - Step 3: Cross multiply
222,869.06x = 307,557.97 × 120,894.72 - Step 4: Simplify right side
222,869.06x = 37,182,134,666.92 - Step 5: Solve for x
x = 37,182,134,666.92/222,869.06 - Step 6: Final answer
x = 166,833.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.